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November 2025 Release Notes

· 2 min read

We've been working on making it easier to measure the business impact of performance, and analyze your synthetic test results.

View how performance impacts conversion rates

If you opt into conversion tracking, you can see what pages a visitor opens in their sessions and correlate conversion events with web performance metrics.

That way you can measure the business impact of improving your web performance.

Improved HTML Size Analysis

Our HTML Size Analyzer has a new design and improved functionality. You can find it built into our product by expanding the HTML request and switching to the "Size Analysis" tab.

Track synthetic INP scores

Last month we started measuring Interaction to Next Paint as part of scripted interactions. Now you can track these metrics over time.

Synthetic INP score charts

View CrUX data across desktop and mobile

Our CrUX trends dashboard now lets you view data across all devices. Plus, we've added an x-axis!

CrUX trends dashboard with value for all devices

Use wildcards when collecting custom metrics

DebugBear RUM lets you collect custom metrics in addition to the pre-defined performance metrics. When collecting values like the start time or duration of a request you can now use wildcards (*) in the request URL match value.

Collecting custom metrics

Updated lab test comparison view

When investigating regressions or running page speed experiments, you can now more easily see how your metrics have changed.

Comparison between two synthetic tests

tip

Click the "Compare" toggle in the top right of your page view monitoring results to view before and after scores.

Free Website SEO Checker

We've launched a new free tool: the website SEO checker. Quickly run Lighthouse SEO audits, analyze page headings, and validate your Open Graph tags.

New articles

We've been working on new guides to help you improve your web performance!

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